| uranium |
a heavy toxic silvery-white radioactive metallic element; occurs in many isotopes; used for nuclear fuels and nuclear weapons
출처: wordnet.princeton.edu/perl/webwn
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| uranium |
The heaviest element normally found in nature. The principal fuel material used in today's nuclear reactors is the fissile isotope uranium-235.
출처: www.pbs.org/wgbh/pages/frontline/shows/reaction/et...
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| uranium |
A rare heavy metal with an atomic number of 92. The most common atomic weight in naturally occurring uranium is 238. Other isotopes range from 234 to 239. Uranium is found in natural deposits in several parts of the world, principally as the oxide. ...
출처: www.st.com/stonline/press/news/glossary/u.htm
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| uranium |
The basic material for nuclear technology. It is a slightly radioactive naturally occurring heavy metal that is more dense than lead. Uranium is 40 times more common than silver.
출처: www.eia.doe.gov/cneaf/nuclear/page/umtra/glossary....
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| uranium |
A radioactive heavy metal. The natural element is a mixture of different isotopes or atomic forms. The isotope uranium-235 is used in nuclear non-breeder reactors.
출처: www.science.org.au/nova/002/002glo.htm
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